US8708972B2 - Medical delivery system with a rotatable coding element - Google Patents

Medical delivery system with a rotatable coding element Download PDF

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Publication number
US8708972B2
US8708972B2 US12/373,340 US37334007A US8708972B2 US 8708972 B2 US8708972 B2 US 8708972B2 US 37334007 A US37334007 A US 37334007A US 8708972 B2 US8708972 B2 US 8708972B2
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Prior art keywords
container
fastening means
dosing assembly
rotatable element
delivery system
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US12/373,340
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US20090312717A1 (en
Inventor
Asger Voss Christiansen
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Novo Nordisk AS
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Novo Nordisk AS
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/3129—Syringe barrels
    • A61M5/3135—Syringe barrels characterised by constructional features of the proximal end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • A61M2005/2485—Ampoule holder connected to rest of syringe
    • A61M2005/2488—Ampoule holder connected to rest of syringe via rotation, e.g. threads or bayonet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6045—General characteristics of the apparatus with identification means having complementary physical shapes for indexing or registration purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31533—Dosing mechanisms, i.e. setting a dose
    • A61M5/31535—Means improving security or handling thereof, e.g. blocking means, means preventing insufficient dosing, means allowing correction of overset dose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing

Definitions

  • the present invention relates to a medical delivery system comprising a container and a dosing assembly.
  • the present invention relates to medical delivery system wherein one of the container and the dosing assembly comprises a rotatable element adapted to engage the other one of the container and the dosing assembly.
  • the present invention relates to a container and a dosing assembly each of which are suitable for use in the medical delivery system according to the present invention.
  • Each medicament container may be filled with a particular type of medicament selected from a large variety of different medicaments, but also different kinds of the same class of medicament (e.g. rapid or long acting insulin) and different concentrations of each particular medicament may be accommodated in the containers.
  • a particular type of medicament selected from a large variety of different medicaments, but also different kinds of the same class of medicament (e.g. rapid or long acting insulin) and different concentrations of each particular medicament may be accommodated in the containers.
  • container volumes may be introduced in order to customize each container, and, thus, the delivery system to the needs of particular users. Variation of container volume may be provided by changing the length or diameter of the container. These modifications usually imply corresponding modifications of the dosing assembly of a medication delivery system, so as to provide a particular stroke of a driving element for expelling the medicament from the container or to provide optimal dosing precision. Further discrimination between different medicament containers may be occasioned by the design requirements for each particular delivery system, such as required sliding friction of the piston accommodated in the container.
  • U.S. Pat. No. 5,611,783 relates to a pen shaped syringe comprising a distal part which may comprise an ampoule and a proximal part containing a dose setting and drive mechanism.
  • the proximal and distal parts have interlocking bayonet coupling means. Protrusions may be provided to form a pattern ensuring that a certain distal part may only be used in connection with a certain proximal part.
  • WO 03/017915 A1 discloses a cartridge having a distal end provided with a mechanical coding.
  • the mechanical coding has the form of a circular protrusion where the circular outer diameter is dedicated a specific concentration of insulin contained in the cartridge.
  • U.S. Pat. No. 5,693,027 discloses a plastic top for adapting a standard cartridge to a chosen syringe.
  • the plastic top may be provided with means for keyed engagement with corresponding means in a syringe to keep it unrotable when mounted with a cartridge in the syringe.
  • keyed engagement between cartridge and syringe is further used to ensure that only a certain type of cartridge is used.
  • U.S. Pat. No. 6,648,859 B2 discloses a drug cartridge assembly for use with a reuseable pen body assembly of a medication delivery pen.
  • the pen body assembly and the drug cartridge are keyed i.e. they may be threadedly engaged by corresponding threads and grooves, bayonet threads, and grooves, snap fits or a pair of lugs that mate in reverse Luer-Lock manner.
  • the mating members are selected so as to prevent cross-use with other assemblies, e.g., the pitch of the threads may be angled so as to mate only with one another and not with other assemblies.
  • the present invention relates to a medical delivery system comprising:
  • the medical system according to the present invention improves user safety as only predetermined containers may be attached to a specific dosing assembly.
  • the dosing assembly may be designated to be used with a predetermined kind and/or concentration of a medicament and containers accommodating other concentrations or types of medicaments cannot be attached to the dosing assembly.
  • the system according to the present invention provides the advantage that the devices may be coded by varying the rotational position of the rotatable element. This is advantageous from a manufacturing point of view, as the same tools used for manufacturing a container, a dosing assembly and a rotatable element may result in a plurality of different containers and dosing assemblies which have been coded differently.
  • medical delivery system shall be understood as any system capable of administering a medicament-containing flowable drug.
  • examples of medical delivery systems are infusion pump applications, dosers, pen-shaped dosers, motor-dosers, and automated syringes such as the AutoPen (TM).
  • TM AutoPen
  • the invention is applicable to all kinds of medicament delivery devices capable of delivering a medicament to a user from a container which is adapted to be coupled to a dosing assembly of the delivery device.
  • the delivery device may include any delivery device for transcutaneous, subcutaneous, intravenous, intra muscular or pulmonary administration of a drug.
  • medicament is meant to encompass any medicament-containing flowable drug capable of being passed through a delivery means such as a hollow needle in a controlled manner, such as a liquid, solution, gel or fine suspension.
  • a delivery means such as a hollow needle in a controlled manner, such as a liquid, solution, gel or fine suspension.
  • Representative medicaments includes pharmaceuticals such as peptides, proteins (e.g. insulin, insulin analogues and C-peptide), and hormones, biologically derived or active agents, hormonal and gene based agents, nutritional formulas and other substances in both solid (dispensed) or liquid form.
  • the chamber of the container may defined by one or more sidewalls of the container and the slidably arranged piston. In most embodiments at least a part of the container is ring-shaped and defines a cylindrical cavity in which the piston is received.
  • the distal end of the container may comprise a seal for penetration by a cannula so as to allow a medicament contained in the chamber to be expelled through the cannula.
  • the distal end of the container may be adapted to be attached to a holder holding a cannula.
  • the distal end of the container may comprise a thread adapted to cooperate with a corresponding thread of the holder so as to allow the holder to be screwed onto the container.
  • the outlet of the container may be adapted to cooperate with or be defined by a cannula or a needle or a needle hub or an infusion set, or any other fluid communicating conduit adapted to provide fluid access to a medicament accommodated in the container.
  • the driver of the dosing assembly may comprise a piston rod adapted to move the piston in the distal direction.
  • the piston rod may comprise an element which is more rigid than the piston and is adapted to abut at least a part of and preferably most of the proximal facing surface of the piston whereby a force applied by the piston rod to the rigid element is applied to a larger area of the proximal surface of the piston than if the piston rod had engaged the piston directly.
  • the dosing assembly defines a first fastening means which during fastening of the container to the dosing assembly engages a second fastening means of the container.
  • a proximal facing surface of the first fastening means of the dosing assembly engages a distal facing surface of the second fastening means of the container.
  • the container may be fastened to the dosing assembly through a predetermined movement comprising at least a concurrent axial and rotational movement, such as a helical movement.
  • the rotational movement incurred by the concurrent axial and rotational movement is less than one revolution, such as less than 120 degrees, such as less than 90 degrees, such as less than 60 degrees.
  • the first fastening means of the dosing assembly defines a groove adapted to receive a projection defined by the second fastening means of the container.
  • a substantially proximal facing surface of the first fastening means of the dosing assembly engages a substantially distal facing surface of the container.
  • the predetermined movement is defined by the shape of at least one of the engaging surfaces.
  • the second fastening means defines a plurality of projections such as two, three or four, and the first fastening means defines a corresponding plurality of grooves adapted to be engaged by the projections.
  • the groove(s) is/are defined by the container and the projection(s) is/are defined by the dosing assembly.
  • the container defines a combination of grooves and projections adapted to be engaged by corresponding projections and grooves defined by the dosing assembly.
  • the rotatable element defines one or more protrusions (such as two, three, four or five) each of which is adapted to engage a corresponding/mating/matching indentation of the second part.
  • the rotatable element defines one or more indentations (such as two, three, four or five) each of which is adapted to engage a corresponding/mating/matching protrusion of the second part.
  • the rotatable element comprises one or more protrusions and one or more indentations.
  • the protrusion(s) of the rotatable element is/are adapted to engage one or more indentations of the second part and the indentation(s) is/are adapted to engage one or more protrusions of the second part.
  • the indentations are wider (circumferentially) than the protrusions, and, thus, the projections are allowed to move rotationally inside the indentations, whereby the second part will be allowed to rotate relative to the rotatable element when the protrusions are received in the indentations.
  • the possible relative rotation between the second part and the rotatable element may be less than 60 degrees about the longitudinal axis of the device, such as less than 45 degrees, such as less than 30 degrees, such as less than 5 degrees, such as less than 1 degree.
  • the possible relative rotation between the rotatable element and the first part is 40-100 percent of the relative rotation between the second part and the first part during fastening of the container to the dosing assembly, such as 60-100 percent, such as 80-100 percent.
  • the sidewalls of the protrusions may be v-shaped i.e. the width of the sidewall may decrease in the axial direction.
  • the indentations may be v-shaped.
  • the protrusion(s) and the indentation(s) may have substantially the same circumferential width.
  • the protrusion may be slightly wider than the indentation and at least one of the protrusion and the indentation may be made of a resilient material.
  • the rotatable element is locked for rotation relative to the second part during fastening of the container to the dosing assembly, e.g. the possible relative rotation between the rotatable element and the second part is less than 1 degree.
  • the second fastening means may be axially positioned between the distal most surface of at least one of the one or more indentations (i.e. a bottom surface of the indentation), and the proximal end surface of the container.
  • first and second fastening means, and the protrusions and the indentations are arranged such that first and second fastening means must at least partly engage in order for the protrusion to be received in the indentation.
  • first and second fastening means must at least partly engage in order for the protrusion to be received in the indentation.
  • the medical device cannot be uncoded by advancing at least a part of the protrusions into the indentations and rotating the rotatable element relative to the first part until the projections could be received in the grooves, whereby the container could be fastened to the dosing assembly.
  • the rotatable element is adapted to rotate about the longitudinal axis (the centre axis) of the first part and may in some embodiments be locked for axial movement relative to the first part.
  • the rotation of the rotatable element relative to the first element is a combined rotational and radial movement.
  • the rotatable element is moved along a line defining a tangent to a circle, the centre of which coincides with the longitudinal axis (the centre axis) of the device, when the container is fastened to the dosing assembly.
  • the rotatable element is adapted to be changed between a first and a second rotational position relative to the first part such that prior to fastening of the container to the dosing assembly, the rotatable element is positioned in the first position and when the container is fastened to the dosing assembly the rotatable element is positioned in the second position.
  • the rotatable element is biased towards the first position e.g. by means of a spring.
  • the dosing assembly defines the first part and thus comprises the rotatable element.
  • the rotatable element may be provided on an outer surface of the dosing assembly.
  • the rotatable element may be provided on an inner surface of the dosing assembly.
  • the container defines the first part and comprises the rotatable element.
  • the rotatable element may be provided on the inner or outer surface of the container.
  • the protrusions and/or indentation may extend in a substantially axial and/or radial direction of the device.
  • the rotatable element may be a ring-shaped element.
  • the rotatable element may be made of a wire or a piece of sheet metal.
  • the wire and the sheet metal may be bent e.g. by means of a punching apparatus, so as to define the protrusions or indentations.
  • the rotatable element is made of a moulded metal and/or plastic material such as Poly-propen, Poly-carbonat, Poly-oxymethylen.
  • the rotatable element is made by means of a 3d-printing printing process.
  • the ring-shaped element comprises at least one protrusion and is adapted to contract radially upon advancement of each of the at least one protrusion into the corresponding indentation of the second part.
  • the ring-shaped element contracts the diameter decreases.
  • the ring-shaped element may abut a surface of the first part prior to advancement of the at least one protrusion into the corresponding indentation of the second part, whereby the ring-shaped element may be rotationally and/or axially retained relative to the first part.
  • the ring-shaped element have contracted and is thus not retained relative to the first member as the ring-shaped element no longer abut the ring-shaped element.
  • one or more of the at least one protrusion of the ring-shaped element may be v-shaped and the widest part of the v-shaped part may be wider than the widest part of the matching indentation. Accordingly, when the v-shaped protrusion is forced into the indentation, the sides of the v-shaped protrusion are forced towards each other whereby the ring-shaped element contracts.
  • a ring-shaped element which abut the first part when the container is not fastened to the dosing assembly, it may be ensured that the ring-shaped element will not change rotational position. If the ring-shaped element could change position when the container is not fastened to the dosing assembly, it would not be possible to fasten a predetermined container to a dosing assembly.
  • the ring-shaped element may comprise at least one protrusion and may be adapted to expand radially upon advancement of each of the at least one protrusion into the corresponding indentation of the second part.
  • the ring-shaped element expands, the diameter of the ring-shaped element increases.
  • the expanding effect may be achieved by providing a protrusion defining a loop as will be described in further detail below in relation to the figures.
  • the rotatable element may be retained in relation to the first part by providing at least one radially extending knob on the rotatable element, which knob upon radial contraction or expansion of the rotatable element engages or disengages a depression defined in the first part, whereby the rotatable element is unlocked/locked from the first part and allowed to or prevented from rotate(ing) about a center axis of and relative to the first part.
  • the depression may be defined by two adjacent radially extending knobs between which the depression is defined.
  • rotatable element may comprise a v-shaped protrusion and a loop-shaped protrusion, whereby advancement of the rotatable element into matching indentations, causes the v-shaped protrusion to contract and the loop-shaped protrusion to expand whereby a knob provided between the two protrusions is caused to rotate. This may be used to rotate the knob out of engagement of a depression.
  • the first part may be adapted to retain the rotatable element in a plurality of predetermined positions. Accordingly during manufacturing the first part, said first part may be coded by choosing a desired rotational position of the rotatable part relative to the first part. This provides the advantage that with the same two elements (the rotatable element and the first part) a plurality of different codes may be achieved.
  • the container comprises a cartridge holder and a cartridge defining said chamber.
  • the second fastening means may be defined by or attached to the cartridge holder.
  • the indentation(s)/protrusion(s) may be defined by the cartridge holder.
  • the cartridge and the cartridge holder may be two separate elements, and the cartridge may be frictionally retained in the cartridge holder.
  • the cartridge is made of glass and the cartridge holder is made of a non-glass material for protecting the glass cartridge. The cartridge may be non-removably retained in the cartridge holder, such that if the cartridge is removed from the cartridge holder it cannot be reattached by hand and without tools.
  • the cartridge holder and the cartridge may define a monolithic element, i.e. forming a one element without seams.
  • a monolithic element may be formed as a molded article made of a synthetic resin such as Topas(R) or polypropylene.
  • Such a molded article may include the fastening and coding elements which are formed during molding.
  • any material which is suitable for long-term storage of the specific medication to be accommodated in the container may be used.
  • At least a part of said predetermined movement may be a concurrent axial and rotational movement.
  • the medical delivery system provides a plurality of coding geometries each of which may be used to designate different features.
  • the first and second fastening means may be used to designate a first predetermined feature of the medicament such as its kind
  • the rotational position of the rotatable element may be used to designate a second predetermined feature of the medicament such as its concentration.
  • Other examples of features which may be designated by a coding geometry are: male/female medication; child/adult medication; prophylactic/therapeutic medication, slow/fast acting medication.
  • first and second fastening means, and the rotational position of the rotatable element may be redundant such that if one of them fails, the other one will ensure that only predetermined containers and dosing assemblies can be fastened to each other.
  • the predetermined movement required for coupling and uncoupling the first container to the first dosing assembly and for coupling the second container to the second dosing assembly may be essentially the same.
  • the present invention relates to a container suitable for use (adapted to be used) in a medical delivery system according to the first aspect of the invention.
  • the invention according to the second aspect may comprise any feature and/or element of the invention according to the first aspect.
  • the container of the second aspect may comprise any feature and/or element of the container according to the first aspect of the invention.
  • the present invention relates to a dosing assembly suitable for use (adapted to be used) in a medical delivery system according to the first aspect of the invention.
  • the invention according to the third aspect may comprise any feature and/or element of the invention according to the first aspect.
  • the dosing assembly of the third aspect may comprise any feature and/or element of the dosing assembly according to the first aspect of the invention.
  • FIGS. 1 , 3 and 4 disclose different embodiments of the medical delivery system according to the present invention
  • FIG. 2 discloses a protrusion of a rotatable ring
  • FIGS. 5 and 6 disclose a longitudinal cross-section of a rotatable ring received in a first part
  • FIGS. 7-12 disclose isometric drawings and a cross-section of different embodiments of the rotatable ring
  • FIGS. 13-16 disclose different arrangements of the rotatable element, the first and the second part
  • FIGS. 17-20 disclose a radial cross-section of a part of the rotatable element and the first element
  • FIGS. 21-29 disclose different embodiments of the rotatable element.
  • FIG. 1 , 3 and 4 discloses an exploded view of a medical delivery system 100 comprising a container 102 , a dosing assembly 104 (of which only a part is disclosed for simplicity reasons) and a rotatable element 106 .
  • the dosing assembly 104 comprises a first fastening means 108 defining a groove for receiving a projection defined by a second fastening means 110 .
  • the container 102 may be fastened to the dosing assembly by advancing the projection into the groove whereby a distal facing surface 112 of the projection (the second fastening means 110 ) engages a proximal facing surface 114 of the groove (the first fastening means 108 ).
  • the two elements Upon relative rotation between the dosing assembly 104 and the container 102 the two elements are pulled towards each other due to the engagement between the distal facing surface 112 and the proximal facing surface 114 .
  • the due to the angular extent of the groove the two elements are can only be rotated 30 degrees relative to each other i.e. less than one revolution.
  • the first part 116 is defined by the dosing assembly 104 , which, thus, comprises the rotatable element 106 .
  • the rotatable element may rotate relative to the first part 116 while being retained axially relative to the first part 116 .
  • the rotatable element 106 defines two protrusions 118 which are adapted to be received in indentations 120 defined in the container 102 which defines a second part 122 . When the protrusions 118 are received in the indentations 120 , the second part 122 and the rotatable element 106 are locked for relative rotational movement.
  • the container is moved axially towards the dosing assembly. Subsequently the two elements are rotated relative to each other until the first and second fastening means (the projections and the groove) start to engage whereupon the protrusions start to be received in the indentations.
  • the dosing assembly is moved towards the container, whereby the protrusions 118 are advanced further into the indentations 120 .
  • the rotatable element 106 is caused to rotate relative to the dosing assembly.
  • the sidewalls of the protrusions 118 define inclined surfaces 124 (as shown in FIG. 2 ), whereby small angular inaccuracies in the relative position between the protrusions 118 and the indentations 120 still allow the protrusions 118 to be received in the indentations 120 .
  • the relative rotational position between the first/second fastening means and the indentations/protrusions determines whether a predetermined container 102 may be attached to a predetermined dosing assembly 104 .
  • the protrusions will be received in the indentations upon further axial movement between the dosing assembly and the container.
  • the indentations cannot be received in the protrusions due to their different rotational position.
  • the rotatable element When the dosing assembly and the rotatable element are assembled the rotatable element is temporarily retained rotationally relative to the dosing assembly by means of the knob 126 which engages corresponding knobs (not shown) in the dosing assembly, whereby the rotatable element may be retained in a predetermined number of positions. Alternatively, the rotatable element may be retained temporarily and relative to the dosing assembly due to notch 127 (shown in FIG. 4 ) which engages corresponding knobs of the dosing assembly.
  • the rotatable element may be biased by a spring member towards a fixed rotational position relative to the first fastening means so that correct alignment between the rotatable element and the first fastening means will be automatically obtained, no matter whether the rotatable element has been tampered with.
  • Such biasing means may be provided in addition to the abovementioned knob 126 or notch 127 .
  • the proximal surface part of the second fastening means 110 may be positioned at a distance X 1 from the extreme proximal part of the container 102 . In some embodiments of the present invention, this distance X 1 is minimized, or ultimately, the proximal surface part of the second fastening means defines the proximal end of the container.
  • the axial extent of the male member forming the second fastening means 110 is defined by the parameter t 1 .
  • the axial length of the indentation 120 from the proximal end of the container 102 will be longer than X 1 +t 1 .
  • an indentation length will be greater than the parameter X 1 +t 1 , such X 1 +t 1 plus 50%, such as X 1 +t 1 plus 100% such as X 1 +t 1 plus 200%, such as X 1 +t 1 plus 300%.
  • FIG. 5 and 6 disclose a rotatable element which is retained axially relative to the dosing assembly by means of knobs 126 which engage tracks 128 of the dosing assembly.
  • the rotatable element may be made from punched sheet metal which may be bent one or more times in order to provide the desired shape.
  • FIGS. 7-12 discloses different shapes of the rotatable element.
  • sheet metal of the protrusions have been bent in order to increased the radial extent of the protrusions.
  • FIG. 13 discloses a radial cross-section through a dosing assembly 104 , a container 102 and a rotatable element 106 .
  • the rotatable element 106 is provided on an outer surface of the dosing assembly 104 and protrusion 118 extend radially inward from an inner surface of the rotatable element 106 .
  • the protrusion 118 is received in the indentation 120 of the container.
  • FIGS. 14-16 disclose embodiments of the rotatable element wherein the rotatable element is rotated and moved radially upon fastening of the container to the dosing assembly, whereby the rotatable element performs a linear movement when the container is fastened to the dosing assembly.
  • the dosing assembly 104 defines circumferentially extending depression 130 in which knob 126 are received. Accordingly, the rotating element 106 can be changed between a first rotational position (disclosed in FIG. 18 ) wherein the knob 126 is positioned in a first end 132 of the depression 130 , and a second rotational position (not shown) wherein the knob is positioned in the opposite second end 134 of the depression 130 .
  • the depression 130 is defined in the rotatable element and the knob is defined by the dosing assembly.
  • FIGS. 19 and 20 disclose a rotatable element 106 comprising a knob 126 .
  • the dosing assembly 104 comprises a plurality of depressions 136 defined by knobs (in the figures only one depression is disclosed).
  • the depressions 136 are spaced along inner sidewall of the dosing assembly whereby the rotatable element may be retained in a plurality of different rotational positions (corresponding in number to the number of depressions 136 ).
  • FIGS. 21-29 disclose embodiments of the rotatable element defining v-shaped protrusions 138 and/or loop-shaped protrusions 140 .
  • the distance between the widest parts of the v-shaped part decreases.
  • ring-shaped elements defining two v-shaped protrusions 138 contracts upon advancement of the protrusions into the indentations. This is the case in FIGS. 22 , 23 , 24 , 26 and 29 .
  • advancement of the loop-shaped protrusions 140 into the indentations 120 causes the ring-shaped element to expand when two loop-shaped protrusions are provided as disclosed in FIG.
  • the ring-shaped element comprises one v-shaped protrusion and one loop-shaped protrusion advancement of the protrusions into the indentations causes a radially extending knob 126 to rotate, as shown in FIG. 27 .
  • the ring-shaped element may be made in one piece wherein the ends of a wire or sheet metal are joint together as disclosed in FIGS. 21 , 24 and 28 .
  • wire or sheet metal may be bent such that the ends abut each other or are provided adjacent each other as disclosed in FIGS. 22 , 23 , 25 , 26 and 29 .
  • the ring shaped element may be made of one or two pieced of wire or sheet metal as disclosed in FIGS. 22 and 26 respectively.

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Surgical Instruments (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
US12/373,340 2006-07-15 2007-07-15 Medical delivery system with a rotatable coding element Expired - Fee Related US8708972B2 (en)

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EP06014769 2006-07-15
EP06014769 2006-07-15
US83772606P 2006-08-14 2006-08-14
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EP06118846 2006-08-14
EP06118846.2 2006-08-14
PCT/EP2007/057283 WO2008009646A1 (en) 2006-07-15 2007-07-15 A medical delivery system with a rotatable coding element
US12/373,340 US8708972B2 (en) 2006-07-15 2007-07-15 Medical delivery system with a rotatable coding element

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US12/373,340 Expired - Fee Related US8708972B2 (en) 2006-07-15 2007-07-15 Medical delivery system with a rotatable coding element
US12/357,013 Abandoned US20100030158A1 (en) 2006-07-15 2009-01-21 Medical Delivery System with Flexible Blocking Element
US14/201,092 Expired - Fee Related US9050397B2 (en) 2006-07-15 2014-03-07 Medical delivery system with a rotatable coding element

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US (4) US8579868B2 (ja)
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JP (2) JP2009543631A (ja)
AT (2) ATE515282T1 (ja)
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US9050397B2 (en) 2015-06-09
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ATE515282T1 (de) 2011-07-15
US20090312717A1 (en) 2009-12-17
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US8579868B2 (en) 2013-11-12
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EP2043709A1 (en) 2009-04-08
US20140188051A1 (en) 2014-07-03
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